The following are known Game Genie Codes for Universal Soldier on Nintendo Game Boy.

• 00A-5AF-3BE
  Infinite time
• 055-D1E-E66
  Start with 5 lives
• 075-D1E-E66
  Start with 7 lives
• 095-D1E-E66
  Start with 9 lives
• C93-EEF-E69
  Infinite lives
• 056-ACE-E66
  Start with 5 power lines
• 076-ACE-E66
  Start with 7 power lines
• 096-ACE-E66
  Start with 9 power lines
• 008-7AC-3BE
  Infinite energy
• 00C-50E-3BA + 00C-4BE-3BE
  Fewer enemies on each level